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Reconfigurable Network Systems and Software-Defined Networking

机译:可重新配置的网络系统和软件定义的网络

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摘要

Modern high-speed networks have evolved from relatively static networks to highly adaptive networks facilitating dynamic reconfiguration. This evolution has influenced all levels of network design and management, introducing increased programmability and configuration flexibility. This influence has extended from the lowest level of physical hardware interfaces to the highest level of network management by software. A key representative of this evolution is the emergence of software-defined networking (SDN). In this paper, we review the current state of the art in reconfigurable network systems, covering hardware reconfiguration, SDN, and the interplay between them. We take a top–down approach, starting with a tutorial on software-defined networks. We then continue to discuss programming languages as the linking element between different levels of software and hardware in the network. We review electronic switching systems, highlighting programmability and reconfiguration aspects, and describe the trends in reconfigurable network elements. Finally, we describe the state of the art in the integration of photonic transceiver and switching elements with electronic technologies, and consider the implications for SDN and reconfigurable network systems.
机译:现代高速网络已经从相对静态的网络演变为有助于动态重新配置的高度自适应的网络。这种发展已影响到网络设计和管理的各个级别,从而增加了可编程性和配置灵活性。这种影响已从最低级别的物理硬件接口扩展到了最高级别的软件网络管理。这种发展的一个关键代表是软件定义网络(SDN)的出现。在本文中,我们回顾了可重配置网络系统中的最新技术,涵盖了硬件重配置,SDN及其之间的相互作用。我们采用自上而下的方法,首先是有关软件定义网络的教程。然后,我们继续讨论编程语言,作为网络中不同级别的软件和硬件之间的链接元素。我们回顾了电子交换系统,重点介绍了可编程性和可重新配置方面,并描述了可重新配置网络元素中的趋势。最后,我们描述了光子收发器和开关元件与电子技术集成的最新技术,并考虑了对SDN和可重配置网络系统的影响。

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